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Keywords:

  • anisotropy;
  • nanoparticles;
  • nanostructures;
  • Raman spectroscopy;
  • self-assembly
Thumbnail image of graphical abstract

Nanorods standing at attention! A self-assembly technique based on convective and capillary forces was used for the direct fabrication of standing arrays of gold nanorods on lithographically predefined areas (see picture). The hexagonal close-packed structure of gold nanorods creates an ideal substrate for surface-enhanced Raman spectroscopy.